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There are some ideas – especially in the tech world – that are so unbelievably cool it's impossible to ignore them even though the ideas themselves are so unbelievably bad it's impossible to believe anyone would ever try to use one.

If the latest comScore data about social networks reflects anything close to reality, Google+ is shaping up as a dismal failure. I know, Google would tell us its social networking service can't be judged solely using traditional Internet traffic and engagement metrics because Google+ also benefits other Google services, blah blah blah.

A team of researchers has devised a method to defeat NuCaptcha, one of the most popular video-based antispam tests on the Internet, and have proposed a solution to increase its resilience to attacks.